19701549

素因数分解:

$3^4\times 7^1\times {\mathrm{34747}}^1$

素因数の和:34766

約数の個数: 20

約数和(自身を含む): 33636064

約数和(自身を除く): 13934515

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34747, 104241, 243229, 312723, 729687, 938169, 2189061, 2814507, 6567183, 19701549]

約数ペア:

[(1, 19701549), (3, 6567183), (7, 2814507), (9, 2189061), (21, 938169), (27, 729687), (63, 312723), (81, 243229), (189, 104241), (567, 34747)]